Update Fireworks link (#23058)

docs/docs/integrations/chat/fireworks.ipynb

@@ -147,7 +147,7 @@
    "source": [
     "# Tool Calling\n",
     "\n",
-    "Fireworks offers the [`FireFunction-v1` tool calling model](https://fireworks.ai/blog/firefunction-v1-gpt-4-level-function-calling). You can use it for structured output and function calling use cases:"
+    "Fireworks offers the `FireFunction-v2` tool calling model. You can use it for structured output and function calling use cases:"
    ]
   },
   {
@@ -180,7 +180,7 @@
     "\n",
     "\n",
     "chat = ChatFireworks(\n",
-    "    model=\"accounts/fireworks/models/firefunction-v1\",\n",
+    "    model=\"accounts/fireworks/models/firefunction-v2\",\n",
     ").bind_tools([ExtractFields])\n",
     "\n",
     "result = chat.invoke(\"I am a 27 year old named Erick\")\n",